package cn.dnui_lf_705.dnui_16110100705.Fragment;


import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import java.util.List;

import cn.dnui_lf_705.dnui_16110100705.R;
import cn.dnui_lf_705.dnui_16110100705.View.HistoryListView;
import cn.dnui_lf_705.dnui_16110100705.controller.SearchResultActivity;
import cn.dnui_lf_705.dnui_16110100705.dbConn.RecordDBOperation;
import cn.dnui_lf_705.dnui_16110100705.dbConn.RecordSQLiteOpenHelper;


/**
 * A simple {@link Fragment} subclass.
 */
public class SearchFragment extends Fragment {
    private TextView tv_clear,tv_tip;
    private EditText et_search;
    private Button btn_ok;
    private HistoryListView listView;
    RecordSQLiteOpenHelper helper;
     RecordDBOperation recordDB;
    private View view;
    public SearchFragment() {
        // Required empty public constructor

    }



    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        this.view = view;
        initViews();
        initEvent();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
         helper =new RecordSQLiteOpenHelper(getContext());
         recordDB = new RecordDBOperation(helper);
        return inflater.inflate(R.layout.tab03, container, false);
    }

    public void initEvent1(){
        RecordSQLiteOpenHelper helper =new RecordSQLiteOpenHelper(getContext());
        final RecordDBOperation recordDB = new RecordDBOperation(helper);
        btn_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //  recordDB.insertData(et_search.getText().toString().trim());
                showDetailInfo(et_search.getText().toString().trim());
            }
        });

    }

    void initViews() {
        btn_ok = view.findViewById(R.id.btn_ok);
        tv_clear = view.findViewById(R.id.tv_clear);
        et_search = view.findViewById(R.id.et_search);
        listView = view.findViewById(R.id.listView);
        tv_tip = view.findViewById(R.id.tv_tip);
    }
    void initEvent(){

        //清空历史纪录
        tv_clear.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                recordDB.deleteData();
                showData("");
            }
        });
        btn_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                recordDB.insertData(et_search.getText().toString().trim());
                showDetailInfo(et_search.getText().toString().trim());
            }
        });
        et_search.setOnKeyListener(new View.OnKeyListener() {
            //输入完后按键盘上的搜索键
            @Override
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_DOWN){
                    //修改回车键功能
                    //先隐藏键盘
                    ((InputMethodManager)getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);
                    //按完搜索键后将当前查询的关键字保存起来，如果关键字已经存在就不执行保存
                    boolean hasData = recordDB.hasData(et_search.getText().toString().trim());
                    if (!hasData){
                        recordDB.insertData(et_search.getText().toString().trim());
                        showData("");
                    }
                    //根据输入内容模糊查询商品，并且跳转到另一个页面
                    showDetailInfo(et_search.getText().toString().trim());
                }
                return false;
            }
        });

        et_search.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                btn_ok.setVisibility(View.VISIBLE);
                if (s.toString().trim().length() ==0){
                    tv_tip.setText("搜索历史");
                }else {
                    tv_tip.setText("搜索结果");
                }
                String tempName = et_search.getText().toString();
                showData(tempName);
            }
        });

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                TextView textView = (TextView)view.findViewById(R.id.text1);
                String name = textView.getText().toString();
                et_search.setText(name);
                showDetailInfo(name);
            }
        });
    }

    private void showData(String s) {
        List list = recordDB.queryData(s);
        SimpleAdapter adapter = new SimpleAdapter(getActivity(),list,R.layout.simple_list_items,new String[]{"name"},new int[]{R.id.text1});
        listView.setAdapter(adapter);
        adapter.notifyDataSetChanged();
    }

    void showDetailInfo(String name)
    {
        //跳转到搜索结果处理页面
        if (!name.equals(" ")) {
            Intent intent = new Intent(getActivity(), SearchResultActivity.class);
            intent.putExtra("search", name);
            startActivity(intent);
        }
    }


}
